ES2021524A6 - Filtro elastico de ondas de superficie. - Google Patents

Filtro elastico de ondas de superficie.

Info

Publication number: ES2021524A6
Authority: ES; Spain
Prior art keywords: transducers; interdigital; signal; input; wave filter
Prior art date: 1989-04-25
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Lifetime

Application number

ES9001154A

Other languages

English (en)

Spanish (es)

Inventor

Hiromi Yatsuda

Yoshiniko Takeuchi

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Japan Radio Co Ltd

Nihon Musen KK

Original Assignee

Japan Radio Co Ltd

Nihon Musen KK

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1989-04-25

Filing date

1990-04-24

Publication date

1991-11-01

1990-04-24 Application filed by Japan Radio Co Ltd, Nihon Musen KK filed Critical Japan Radio Co Ltd

1991-11-01 Publication of ES2021524A6 publication Critical patent/ES2021524A6/es

2010-04-24 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6426—Combinations of the characteristics of different transducers

Landscapes

Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Superheterodyne Receivers (AREA)
Pens And Brushes (AREA)
Absorbent Articles And Supports Therefor (AREA)
Filtering Materials (AREA)

ES9001154A 1989-04-25 1990-04-24 Filtro elastico de ondas de superficie. Expired - Lifetime ES2021524A6 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP1106936A JP2601543B2 (ja)	1989-04-25	1989-04-25	弾性表面波フィルタ

Publications (1)

Publication Number	Publication Date
ES2021524A6 true ES2021524A6 (es)	1991-11-01

Family

ID=14446279

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES9001154A Expired - Lifetime ES2021524A6 (es)	1989-04-25	1990-04-24	Filtro elastico de ondas de superficie.

Country Status (10)

Country	Link
US (1)	US5175519A (fr)
JP (1)	JP2601543B2 (fr)
KR (1)	KR950000082B1 (fr)
CA (1)	CA2015227C (fr)
DE (1)	DE4013214C2 (fr)
ES (1)	ES2021524A6 (fr)
FR (1)	FR2646300B1 (fr)
GB (1)	GB2232546B (fr)
IT (1)	IT1239726B (fr)
SE (1)	SE512480C2 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH04138710A (ja) *	1990-09-28	1992-05-13	Nec Corp	弾性表面波フィルタ
EP0508325A1 (fr) *	1991-04-11	1992-10-14	SIEMENS MATSUSHITA COMPONENTS GmbH & CO. KG	Ligne à retard réflective à ondes acoustiques de surface
DE4227340C2 (de) *	1991-08-22	1995-09-21	Hitachi Ltd	Oberflächenwellen-Bauelement
DE19610806A1 (de) *	1995-03-20	1996-10-10	Hitachi Media Electron Kk	Oberflächenwellen-Filter und Antennenweiche
GB2312110B (en) *	1996-03-29	2000-07-05	Advanced Saw Prod Sa	Acoustic wave filter
JPH10190394A (ja) *	1996-12-25	1998-07-21	Murata Mfg Co Ltd	弾性表面波共振子フィルタ
EP1249934B1 (fr) *	2001-04-09	2013-07-31	Murata Manufacturing Co., Ltd.	Appareil à ondes acoustiques de surface et unité de communication
KR100616655B1 (ko) *	2005-01-03	2006-08-28	삼성전기주식회사	안티 퓨즈를 이용한 표면탄성파 소자의 ｉｄｔ 전극패턴의 형성 방법 및 이에 의해 제조된 표면탄성파 소자
KR100698288B1 (ko) *	2005-02-04	2007-03-22	삼성전자주식회사	프로그래밍 가능한 표면탄성파 필터
RU2610415C1 (ru) *	2015-10-29	2017-02-10	Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом"	Многоканальная отражательная линия задержки

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3946342A (en) *	1973-08-10	1976-03-23	Texas Instruments Incorporated	Weighting surface wave filters by withdrawing electrodes
JPS553281A (en) *	1978-06-22	1980-01-11	Matsushita Electric Ind Co Ltd	Elastic surface wave filter
JPS5573123A (en) *	1978-11-27	1980-06-02	Toshiba Corp	Elastic surface wave filter
US4321567A (en) *	1980-03-24	1982-03-23	Raytheon Company	Combining series sections weighting with withdrawal weighting in SAW transducers
JPS56149818A (en) *	1980-04-23	1981-11-19	Hitachi Ltd	Elastic surface wave device
DE3267639D1 (en) *	1981-02-04	1986-01-09	Matsushita Electric Ind Co Ltd	Surface acoustic wave device
JPS58154917A (ja) *	1982-03-10	1983-09-14	Hitachi Ltd	弾性表面波バンドパスフイルタ
JPS595729A (ja) *	1982-07-01	1984-01-12	Nec Corp	弾性表面波フイルタ
JPS5933920A (ja) *	1982-08-20	1984-02-24	Hitachi Ltd	弾性表面波バンドパス・フイルタ
US4491758A (en) *	1983-05-03	1985-01-01	R F Monolithics, Inc.	Surface wave device with oversampled withdrawal weighting
JPH0815248B2 (ja) *	1983-05-30	1996-02-14	松下電器産業株式会社	弾性表面波装置
US4600852A (en) *	1984-10-30	1986-07-15	Massachusetts Institute Of Technology	Wide bandwidth withdrawal weighted surface acoustic wave filters
JPS61252704A (ja) *	1985-05-01	1986-11-10	Hitachi Ltd	弾性表面波フイルタ
GB2193060B (en) *	1986-07-16	1991-04-03	Japan Radio Co Ltd	Surface elastic wave filter
JPS63253712A (ja) *	1987-04-10	1988-10-20	Hitachi Ltd	弾性表面波バンドパスフイルタ
JPS63304707A (ja) *	1987-06-05	1988-12-13	Japan Radio Co Ltd	弾性表面波フィルタ

1989
- 1989-04-25 JP JP1106936A patent/JP2601543B2/ja not_active Expired - Lifetime
1990
- 1990-04-18 US US07/510,604 patent/US5175519A/en not_active Expired - Lifetime
- 1990-04-23 GB GB9009044A patent/GB2232546B/en not_active Expired - Lifetime
- 1990-04-24 FR FR9005195A patent/FR2646300B1/fr not_active Expired - Lifetime
- 1990-04-24 SE SE9001471A patent/SE512480C2/sv not_active IP Right Cessation
- 1990-04-24 CA CA002015227A patent/CA2015227C/fr not_active Expired - Lifetime
- 1990-04-24 IT IT20124A patent/IT1239726B/it active IP Right Grant
- 1990-04-24 ES ES9001154A patent/ES2021524A6/es not_active Expired - Lifetime
- 1990-04-25 KR KR1019900005837A patent/KR950000082B1/ko not_active IP Right Cessation
- 1990-04-25 DE DE4013214A patent/DE4013214C2/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
KR900017280A (ko)	1990-11-15
CA2015227C (fr)	1994-01-25
KR950000082B1 (ko)	1995-01-09
DE4013214A1 (de)	1990-10-31
IT1239726B (it)	1993-11-15
FR2646300A1 (fr)	1990-10-26
SE9001471L (sv)	1990-10-26
JP2601543B2 (ja)	1997-04-16
SE9001471D0 (sv)	1990-04-24
GB9009044D0 (en)	1990-06-20
JPH02284511A (ja)	1990-11-21
IT9020124A0 (it)	1990-04-24
FR2646300B1 (fr)	1995-03-17
SE512480C2 (sv)	2000-03-20
CA2015227A1 (fr)	1990-10-25
US5175519A (en)	1992-12-29
DE4013214C2 (de)	1996-01-18
IT9020124A1 (it)	1991-10-24
GB2232546B (en)	1993-07-07
GB2232546A (en)	1990-12-12

Publication	Publication Date	Title
ES2021524A6 (es)	1991-11-01	Filtro elastico de ondas de superficie.
KR960016121A (ko)	1996-05-22	표면 음향파 필터
MY114329A (en)	2002-09-30	Longitudinally coupled surface acoustic wave resonator filter
GB1529941A (en)	1978-10-25	Electrical filters including coupled resonators
GB1513466A (en)	1978-06-07	Acoustic surface wave devices
GB1490883A (en)	1977-11-02	Acoustic surface wave transducers and devices
JPS6454805A (en)	1989-03-02	Surface acoustic wave resonator
GB1413916A (en)	1975-11-12	Acoustic surface-wave devices
DE3784200D1 (de)	1993-03-25	Oberflaechenwellen-resonatorstruktur mit in teilstuecke unterbrochenen metallisierungsstreifen von reflektorfingern.
ATE70673T1 (de)	1992-01-15	Mit akustischen wellen arbeitendes elektrisches filter.
GB1512790A (en)	1978-06-01	Acoustic surface wave devices
GB1236487A (en)	1971-06-23	Improvements in or relating to fork-type wave filters
GB1514998A (en)	1978-06-21	Surface elastic wave filter
JPS564916A (en)	1981-01-19	Elastic surface wave filter
RU93030916A (ru)	1996-01-10	Резонатор на магнитостатических волнах
US4330767A (en)	1982-05-18	Surface acoustic wave device
GB1499774A (en)	1978-02-01	Filter chain
JPS6479732A (en)	1989-03-24	Crossed comb type electrode pair
GB1312981A (en)	1973-04-11	Piezoelectric transducer
Solie	1977	A SAW bandpass filter technique using a fanned multistrip coupler
GB1436328A (en)	1976-05-19	Methods of electrical matching of acoustic filters and delay lines
JPS53132246A (en)	1978-11-17	Elastic surface wave filter
JPS57129510A (en)	1982-08-11	Surface acoustic wave device
SU1109911A1 (ru)	1984-08-23	Делитель частоты следовани импульсов
JP2005176338A (ja)	2005-06-30	弾性表面波デバイス

Legal Events

Date	Code	Title	Description
2010-10-28	FD1A	Patent lapsed	Effective date: 20101018